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JOURNALS
// Doklady Akademii Nauk
// Archive
Dokl. Akad. Nauk SSSR,
1961
Volume 140,
Number 1,
Pages
62–65
(Mi dan25466)
MATHEMATICS
The geometry of two second-order ordinary differential equations
N. V. Stepanov
Velikie Luki State Pedagogical Institute
Presented:
P. S. Aleksandrov
Received: 27.04.1961
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